From: Sujith Manoharan <sujith@msujith.org>
To: John Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH v2 8/8] ath9k: Add statistics for antenna diversity
Date: Thu, 1 Aug 2013 20:57:06 +0530 [thread overview]
Message-ID: <1375370826-1387-1-git-send-email-sujith@msujith.org> (raw)
In-Reply-To: <1375338204-2021-8-git-send-email-sujith@msujith.org>
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath9k/antenna.c | 18 ++++---
drivers/net/wireless/ath/ath9k/debug.c | 85 ++++++++++++++++++++++++++------
drivers/net/wireless/ath/ath9k/debug.h | 20 +++++---
3 files changed, 95 insertions(+), 28 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c
index 42f3b87..391d557 100644
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -734,15 +734,18 @@ void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
antcomb->main_total_rssi += main_rssi;
antcomb->alt_total_rssi += alt_rssi;
- if (main_ant_conf == rx_ant_conf) {
+ if (main_ant_conf == rx_ant_conf)
antcomb->main_recv_cnt++;
- ANT_STAT_INC(ANT_MAIN, recv_cnt);
- ANT_LNA_INC(ANT_MAIN, rx_ant_conf);
- } else {
+ else
antcomb->alt_recv_cnt++;
- ANT_STAT_INC(ANT_ALT, recv_cnt);
- ANT_LNA_INC(ANT_ALT, rx_ant_conf);
- }
+ }
+
+ if (main_ant_conf == rx_ant_conf) {
+ ANT_STAT_INC(ANT_MAIN, recv_cnt);
+ ANT_LNA_INC(ANT_MAIN, rx_ant_conf);
+ } else {
+ ANT_STAT_INC(ANT_ALT, recv_cnt);
+ ANT_LNA_INC(ANT_ALT, rx_ant_conf);
}
/* Short scan check */
@@ -821,6 +824,7 @@ void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
div_comb_done:
ath_ant_div_conf_fast_divbias(&div_ant_conf, antcomb, alt_ratio);
ath9k_hw_antdiv_comb_conf_set(sc->sc_ah, &div_ant_conf);
+ ath9k_debug_stat_ant(sc, &div_ant_conf, main_rssi_avg, alt_rssi_avg);
antcomb->scan_start_time = jiffies;
antcomb->total_pkt_count = 0;
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 56cbe5d..a43bd8c 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -321,6 +321,20 @@ static const struct file_operations fops_bt_ant_diversity = {
.llseek = default_llseek,
};
+void ath9k_debug_stat_ant(struct ath_softc *sc,
+ struct ath_hw_antcomb_conf *div_ant_conf,
+ int main_rssi_avg, int alt_rssi_avg)
+{
+ struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
+ struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
+
+ as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
+ as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
+
+ as_main->rssi_avg = main_rssi_avg;
+ as_alt->rssi_avg = alt_rssi_avg;
+}
+
static ssize_t read_file_antenna_diversity(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
@@ -330,9 +344,14 @@ static ssize_t read_file_antenna_diversity(struct file *file,
struct ath9k_hw_capabilities *pCap = &ah->caps;
struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
+ struct ath_hw_antcomb_conf div_ant_conf;
unsigned int len = 0, size = 1024;
ssize_t retval = 0;
char *buf;
+ char *lna_conf_str[4] = {"LNA1_MINUS_LNA2",
+ "LNA2",
+ "LNA1",
+ "LNA1_PLUS_LNA2"};
buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL)
@@ -344,28 +363,66 @@ static ssize_t read_file_antenna_diversity(struct file *file,
goto exit;
}
+ ath9k_ps_wakeup(sc);
+ ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
+ len += snprintf(buf + len, size - len, "Current MAIN config : %s\n",
+ lna_conf_str[div_ant_conf.main_lna_conf]);
+ len += snprintf(buf + len, size - len, "Current ALT config : %s\n",
+ lna_conf_str[div_ant_conf.alt_lna_conf]);
+ len += snprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",
+ as_main->rssi_avg);
+ len += snprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",
+ as_alt->rssi_avg);
+ ath9k_ps_restore(sc);
+
+ len += snprintf(buf + len, size - len, "Packet Receive Cnt:\n");
+ len += snprintf(buf + len, size - len, "-------------------\n");
+
len += snprintf(buf + len, size - len, "%30s%15s\n",
"MAIN", "ALT");
- len += snprintf(buf + len, size - len, "%-15s%15d%15d\n",
- "RECV CNT",
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "TOTAL COUNT",
as_main->recv_cnt,
as_alt->recv_cnt);
- len += snprintf(buf + len, size - len, "%-15s%15d%15d\n",
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1",
+ as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
+ as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA2",
+ as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
+ as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1 + LNA2",
+ as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
+ as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1 - LNA2",
+ as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
+ as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
+
+ len += snprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
+ len += snprintf(buf + len, size - len, "--------------------\n");
+
+ len += snprintf(buf + len, size - len, "%30s%15s\n",
+ "MAIN", "ALT");
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
"LNA1",
- as_main->lna_config_cnt[ATH_ANT_DIV_COMB_LNA1],
- as_alt->lna_config_cnt[ATH_ANT_DIV_COMB_LNA1]);
- len += snprintf(buf + len, size - len, "%-15s%15d%15d\n",
+ as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
+ as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
"LNA2",
- as_main->lna_config_cnt[ATH_ANT_DIV_COMB_LNA2],
- as_alt->lna_config_cnt[ATH_ANT_DIV_COMB_LNA2]);
- len += snprintf(buf + len, size - len, "%-15s%15d%15d\n",
+ as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
+ as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
"LNA1 + LNA2",
- as_main->lna_config_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
- as_alt->lna_config_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
- len += snprintf(buf + len, size - len, "%-15s%15d%15d\n",
+ as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
+ as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
+ len += snprintf(buf + len, size - len, "%-14s:%15d%15d\n",
"LNA1 - LNA2",
- as_main->lna_config_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
- as_alt->lna_config_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
+ as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
+ as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
+
exit:
if (len > size)
len = size;
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index a879e45..01c5c6a 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -29,7 +29,7 @@ struct fft_sample_tlv;
#define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
#define RESET_STAT_INC(sc, type) sc->debug.stats.reset[type]++
#define ANT_STAT_INC(i, c) sc->debug.stats.ant_stats[i].c++
-#define ANT_LNA_INC(i, c) sc->debug.stats.ant_stats[i].lna_config_cnt[c]++;
+#define ANT_LNA_INC(i, c) sc->debug.stats.ant_stats[i].lna_recv_cnt[c]++;
#else
#define TX_STAT_INC(q, c) do { } while (0)
#define RESET_STAT_INC(sc, type) do { } while (0)
@@ -252,7 +252,9 @@ struct ath_rx_stats {
struct ath_antenna_stats {
u32 recv_cnt;
- u32 lna_config_cnt[4];
+ u32 rssi_avg;
+ u32 lna_recv_cnt[4];
+ u32 lna_attempt_cnt[4];
};
struct ath_stats {
@@ -294,10 +296,11 @@ void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct dentry *dir);
-
void ath_debug_send_fft_sample(struct ath_softc *sc,
struct fft_sample_tlv *fft_sample);
-
+void ath9k_debug_stat_ant(struct ath_softc *sc,
+ struct ath_hw_antcomb_conf *div_ant_conf,
+ int main_rssi_avg, int alt_rssi_avg);
#else
#define RX_STAT_INC(c) /* NOP */
@@ -310,12 +313,10 @@ static inline int ath9k_init_debug(struct ath_hw *ah)
static inline void ath9k_deinit_debug(struct ath_softc *sc)
{
}
-
static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
enum ath9k_int status)
{
}
-
static inline void ath_debug_stat_tx(struct ath_softc *sc,
struct ath_buf *bf,
struct ath_tx_status *ts,
@@ -323,11 +324,16 @@ static inline void ath_debug_stat_tx(struct ath_softc *sc,
unsigned int flags)
{
}
-
static inline void ath_debug_stat_rx(struct ath_softc *sc,
struct ath_rx_status *rs)
{
}
+static inline void ath9k_debug_stat_ant(struct ath_softc *sc,
+ struct ath_hw_antcomb_conf *div_ant_conf,
+ int main_rssi_avg, int alt_rssi_avg)
+{
+
+}
#endif /* CONFIG_ATH9K_DEBUGFS */
--
1.8.3.4
next prev parent reply other threads:[~2013-08-01 15:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-01 6:23 [PATCH 1/8] ath9k: Do a quick scan only when scan_not_start is true Sujith Manoharan
2013-08-01 6:23 ` [PATCH 2/8] ath9k: Use a subroutine to check for short scan Sujith Manoharan
2013-08-01 6:23 ` [PATCH 3/8] ath9k: Add ALT check for cards with GROUP-3 config Sujith Manoharan
2013-08-01 6:23 ` [PATCH 4/8] ath9k: Use a subroutine to try LNA switch Sujith Manoharan
2013-08-01 6:23 ` [PATCH 5/8] ath9k: Use a helper function for checking LNA options Sujith Manoharan
2013-08-01 6:23 ` [PATCH 6/8] ath9k: Simplify checks in quick_scan Sujith Manoharan
2013-08-01 6:23 ` [PATCH 7/8] ath9k: Use a subroutine to calculate ALT ratio Sujith Manoharan
2013-08-01 6:23 ` [PATCH 8/8] ath9k: Add statistics for antenna diversity Sujith Manoharan
2013-08-01 15:27 ` Sujith Manoharan [this message]
2013-08-01 16:37 ` cross compile backports? Jonathan Bagg
2013-08-01 17:47 ` Solomon Peachy
2013-08-01 19:03 ` Luis R. Rodriguez
2013-08-01 19:12 ` cross compile backports with LTIB Jonathan Bagg
2013-08-01 19:17 ` Jonathan Bagg
2013-08-01 19:44 ` [PATCH v2 8/8] ath9k: Add statistics for antenna diversity John W. Linville
2013-08-01 19:53 ` John W. Linville
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